Mass-energy of the heaviest elementary particle
Radius of curvature of the Universe
4.8 MeV (d quark)
2344 H R = 32350 × 10 9 ly
128 MeV
17 H R = 236 × 10 9 ly
511 MeV
2.14 H R = 29.5 × 10 9 ly
848 MeV
1 H R = 13.8 × 10 9 ly